Chronic pharyngitis patients who want to stop phlegm in the throat should adhere to outdoor activities, quit smoking, alcohol and other bad habits, and keep the indoor air fresh, and actively treat rhinitis, tracheobronchitis and other chronic inflammation of the respiratory tract, as well as other systemic diseases. Chinese medicine tablets can be used in the clinical application, but also can use antibiotic gargle, gargle head back, open mouth “ah” sound, so that the gargle can be cleaned to the back of the throat wall. In addition to the above treatment, if the posterior pharyngeal wall lymphatic follicle hyperplasia is extensive, laser and low-temperature plasma treatment can also be used. Treatment should be carried out in stages, and drugs such as silver nitrate, freezing, electrocoagulation curing treatment are also available, but the treatment should not be too extensive.